6-Bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Cyano-4-hydroxy-3-iodo-6-(trifluoromethoxy)pyridine
2-Cyano-3-hydroxy-6-iodo-4-(trifluoromethoxy)pyridine
2-Bromo-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylic acid